Results 41 to 50 of about 757 (175)
, 1973 Nephrite is a compact, microfibrous variety of actinolite-tremolite in which bundles or tufts of minute fibers of the amphibole are twisted and thoroughly felted or interwoven with one another, producing a characteristic "nephritic" microstructure.
Fraser, John Ross
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Nephrite from Xinjiang Qiemo Margou Deposit: Gemological and Geochemical Insights
The nephrite belt in the Altun Mountain–Western Kunlun Mountain region, which extends about 1300 km in Xinjiang, NW China, is the largest nephrite deposit in the world. The Qiemo region in the Altun Mountains is a crucial nephrite-producing area in
Ting Fang, Yuan Chang, Mingxing Yang
core +1 more source
Nephrite from Nasławice in Lower Silesia (SW Poland)
, 2008 During exploitation of serpentinite in the Nasławice quarry (SW Poland) a nephritic zone has been identified. Nephrite occurs in association with light in color rock, similar to rodingite, composed almost entirely of garnet.
Sachanbiński, M. +2 more
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DESTINATION BRANDING DAERAH BEUTONG SEBAGAI PENGHASIL PERHIASAN GIOK NEPHRITE JADE [PDF]
, 2015 Daerah Beutong merupakan daerah yang terdapat kabupaten Nagan Raya Provinsi Aceh. Daerah Beutong ini mempunyai sumberdaya alam yang melimpah dan salah satu sumber daya alamnya yaitu batu mulia.
FAKHRUL REZA
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Environmental asbestos exposure from nephrite jade mining and lung cancer
Background: Nephrite is an asbestos mineral composed of tremolite and actinolite. Fengtian is a community where nephrite was mined between 1970 and 1980 and asbestos was mined between 1960 and 1985.
Sugio Furuya +2 more
core +1 more source
Spectroscopic and crystallographic analysis of nephrite jade gemstone using laser induced breakdown spectroscopy, Raman spectroscopy, and X-ray diffraction. [PDF]
Heliyon, 2022 Khan RA +5 more
europepmc +1 more source
Nephrite jade from Val Malenco, Italy: Review and update
, 2013 Alpe Mastabia, in the Val Malenco district of northern Italy, has been a source of nephrite jade since the early 2000s. Twenty-one samples from this locality were investigated by classical gemological methods; X-ray powder diffraction, combined with ...
R. Bocchio, I. Adamo
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An evolutionary model and classification scheme for nephrite jade based on veining, fabric development, and the role of dissolution-precipitation. [PDF]
Sci Rep, 2022 Tarling MS +5 more
europepmc +1 more source
Characterisation of New Zealand nephrite for forensic purposes
, 2009 This study investigated the discrimination between sources of the semi-precious mineral, nephrite, by a targeted microanalytical determination of the elemental composition, including the trace elements.
Campbell, Gareth Peter
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, 2020 Some collectors and connoisseurs have found that the nephrite from different sources possess different sub-microstructures inside the body, which could become a quite convenient and effective basis for determining provenance.
Chen, Dian +3 more
core +1 more source